\documentclass[polish,a4paper,oneside,11pt]{article}
%\documentclass[polish,a4paper,twoside,11pt]{report}


%====PACKAGES
\usepackage[OT4]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[polish]{babel}
\usepackage{graphicx}
\usepackage{indentfirst}
\usepackage[a4paper,inner=3cm,outer=3cm,top=2.5cm,bottom=2.5cm,pdftex]{geometry}
\usepackage{listings}
\usepackage{color}
\usepackage{textcomp}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{subfigure}
\usepackage{appendix}
\usepackage{multirow}
\usepackage{multicol}
\usepackage{longtable}
\usepackage{url}
\usepackage{array}
\usepackage{algorithm}

\floatname{algorithm}{Listing}

\linespread{1.3}

%//CAPTIONS FOR TABLE
\addto\captionspolish{%
  \renewcommand{\tablename}%
    {Tabela}%
}

\begin{document}

\input{tytulowa.tex}
\tableofcontents 
\cleardoublepage
\input{punkt0.tex}
\input{punkt1.tex}
\input{punkt2.tex}
\input{punkt3.tex}
\input{punkt4.tex}
\input{punkt5.tex}
\input{punkt6.tex}
\input{punkt7.tex}
\input{punkt8.tex}

% Bibliography (books, articles) starts here.
%\bibliographystyle{plain}
%\bibliography{bibliografia}
\end{document}
